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Old 10-17-2002, 08:15 PM
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JCE JCE is offline
Down to the Wear Bars
Join Date: May 1999
Location: So Kalifornia
Posts: 2,189
I would guess that your alternator/voltage regulator has problems and the battery is possibly overcharging , heating up, and venting fluid. I would have the alternator/regulator checked ASAP

My understanding is that the vent tube you are talking about is normally for venting hydrogen gas which may be produced by batteries under certain conditions. My C230 has a vent tube as it is inside the trunk, and H2 gas could get into the car. My 300E has the battery in a "traditional" under hood location, and doesn't use a tube. Instead, it sits on a tray to catch spills.

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